PowerBlock Add On Kit 41-57kgs U90 Stage 3

PowerBlock Urethane 90 Stage 3 Add On Kit

The PowerBlock U-90 Stage 3 add on kit will expand the stage 2 add on kit from 41 kgs per dumbbell to 57 kgs per dumbbell, The PowerBlock U-90 Stage 3 add on kit will then replace 34 pairs of dumbbells, or 1783 kgs of free weights.